Chesapeake Bay - Great Wicomico River Entrance UV IndexUnited StatesVANorthumberland CountyChesapeake Bay - Great Wicomico River Entrance1-Day3-Day Graph Plots Open in Graphs UV Forecast NOAAChesapeake Bay - Great Wicomico River Entrance UV forecast issued yesterday at 3:19 pm. Next forecast at approx. 3:19 pm.Get an account to remove ads